7345345253 has 2 divisors, whose sum is σ = 7345345254. Its totient is φ = 7345345252.

The previous prime is 7345345247. The next prime is 7345345289. The reversal of 7345345253 is 3525435437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5004430564 + 2340914689 = 70742^2 + 48383^2 .

It is a cyclic number.

It is not a de Polignac number, because 7345345253 - 2⁴ = 7345345237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7345345253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7345345453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3672672626 + 3672672627.

It is an arithmetic number, because the mean of its divisors is an integer number (3672672627).

Almost surely, 2^7345345253 is an apocalyptic number.

It is an amenable number.

7345345253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7345345253 is an equidigital number, since it uses as much as digits as its factorization.

7345345253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 41.

The square root of 7345345253 is about 85704.9896622128. The cubic root of 7345345253 is about 1943.8857580928.

The spelling of 7345345253 in words is "seven billion, three hundred forty-five million, three hundred forty-five thousand, two hundred fifty-three".